A parameter that specifies the data repositories used in phone-related searches. It is both specified as part of the GET request and returned in the response data.
The returning source element will indicate if the phone number matched a specific database and may determine if the device used is a mobile phone or a landline phone.
One or more phone source codes can be supplied in the GET request, in order to narrow the search to specific databases.
| Code | Name | Description |
|---|---|---|
| D | Landline Directory Assistance | Directory Assistance data collected daily from regional Bell phone companies and other sources. Approximately 90 million residential listings and 20 million business listings. Estimated connection rate: 90%. Updated daily. |
| P | Landline Premium | Premium Phone. Contains approximately 200 million residential listings and 20 million business listings compiled from phone companies and marketing data sources. Estimated connection rate. 70%. Updated quarterly. |
| C | Landline Compiled | Compiled Phone. Contains approximately 600 million residential listings and 55 million business listings compiled from historical Bell operating company listings and various marketing data sources. Estimated connection rate: 50%. Updated occasionally. |
| M | Mobile | Mobile Phone. Contains approximately 181 million residential mobile phone listings. Estimated connection rate: 50%. Updated quarterly. |
| E | Enhanced Mobile | Enhanced Mobile Phone: Contains approximately 2.3 billion current and historical listings from marketing and skip tracing sources. Estimated connection rate: 65%. Updated frequently. |
| L | Enhanced Landline | Enhanced Landline Phone: Contains approximately 2.3 billion current and historical listings from marketing and skip tracing sources. Estimated connection rate: 65%. Updated frequently. |